Home / 3,186.22-4,778.56-1,337.37

Finding the Fourth Proportional to 3,186.22, 4,778.56 and 1,337.37

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Solution

The fourth proportional to 3,186.22, 4,778.56 and 1,337.37 is: 2,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.22 : 4,778.56 = 1,337.37 : x
  2. Step 2: Convert to fraction form
    3,186.22/4,778.56 = 1,337.37/x
  3. Step 3: Cross multiply
    3,186.22x = 4,778.56 × 1,337.37
  4. Step 4: Simplify right side
    3,186.22x = 6,390,678.89
  5. Step 5: Solve for x
    x = 6,390,678.89/3,186.22
  6. Step 6: Final answer
    x = 2,005.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.